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 Boron 
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Joined: Fri Nov 11, 2011 11:22 am
Posts: 12
Post Boron
I read about the need for applying borax every 3 years - 1/4 pound per apple tree - but i have two questions. If I have grass in my orchard should I bump up the quantity to account for what the grass gets? and If our northwest soils are deficient, is there a safe level per acre to apply to blueberries, vegetables etc. JR


Fri Nov 18, 2011 3:15 pm
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Joined: Sun May 15, 2005 10:57 am
Posts: 1355
Location: Portland, OR
Post Re: Boron
I have never put borax on any apple tree. I am not convinced that it is as important as say, calcium.
John S
PDX OR


Mon Nov 21, 2011 4:05 pm
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Joined: Tue Jan 26, 2010 1:42 pm
Posts: 188
Post Re: Boron
I have heard that too much Boron is toxic and that it only needs trace amounts......one quarter pound even sounds like a lot to me....but yes, professional and commercial growers get a soil sample and then often (I think) use small amounts of Boron in some cases.

I tried Borax a couple years ago on a few trees where I was needing more fruit set but didn't notice a difference.....(then again the Spring weather the past two years has just not been conducive to giving good fruit set anyway.....so who knows? And maybe I was just too conservative and cautious in how much I applied because I knew you only want very little)

What I have heard a couple people recommend for trace elements is applying Azomite....that's something I want to research more.


Sat Nov 26, 2011 1:51 pm
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